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207 lines
5.1 KiB
207 lines
5.1 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved. |
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* |
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*/ |
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#include <linux/platform_device.h> |
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#ifndef __LLCC_QCOM__ |
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#define __LLCC_QCOM__ |
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#define LLCC_CPUSS 1 |
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#define LLCC_VIDSC0 2 |
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#define LLCC_VIDSC1 3 |
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#define LLCC_ROTATOR 4 |
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#define LLCC_VOICE 5 |
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#define LLCC_AUDIO 6 |
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#define LLCC_MDMHPGRW 7 |
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#define LLCC_MDM 8 |
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#define LLCC_MODHW 9 |
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#define LLCC_CMPT 10 |
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#define LLCC_GPUHTW 11 |
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#define LLCC_GPU 12 |
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#define LLCC_MMUHWT 13 |
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#define LLCC_CMPTDMA 15 |
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#define LLCC_DISP 16 |
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#define LLCC_VIDFW 17 |
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#define LLCC_MDMHPFX 20 |
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#define LLCC_MDMPNG 21 |
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#define LLCC_AUDHW 22 |
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#define LLCC_NPU 23 |
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#define LLCC_WLHW 24 |
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#define LLCC_PIMEM 25 |
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#define LLCC_DRE 26 |
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#define LLCC_CVP 28 |
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#define LLCC_MODPE 29 |
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#define LLCC_APTCM 30 |
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#define LLCC_WRCACHE 31 |
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#define LLCC_CVPFW 32 |
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#define LLCC_CPUSS1 33 |
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#define LLCC_CAMEXP0 34 |
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#define LLCC_CPUMTE 35 |
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#define LLCC_CPUHWT 36 |
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#define LLCC_MDMCLAD2 37 |
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#define LLCC_CAMEXP1 38 |
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#define LLCC_AENPU 45 |
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/** |
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* struct llcc_slice_desc - Cache slice descriptor |
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* @slice_id: llcc slice id |
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* @slice_size: Size allocated for the llcc slice |
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*/ |
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struct llcc_slice_desc { |
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u32 slice_id; |
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size_t slice_size; |
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}; |
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/** |
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* struct llcc_edac_reg_data - llcc edac registers data for each error type |
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* @name: Name of the error |
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* @synd_reg: Syndrome register address |
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* @count_status_reg: Status register address to read the error count |
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* @ways_status_reg: Status register address to read the error ways |
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* @reg_cnt: Number of registers |
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* @count_mask: Mask value to get the error count |
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* @ways_mask: Mask value to get the error ways |
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* @count_shift: Shift value to get the error count |
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* @ways_shift: Shift value to get the error ways |
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*/ |
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struct llcc_edac_reg_data { |
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char *name; |
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u64 synd_reg; |
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u64 count_status_reg; |
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u64 ways_status_reg; |
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u32 reg_cnt; |
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u32 count_mask; |
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u32 ways_mask; |
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u8 count_shift; |
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u8 ways_shift; |
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}; |
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struct llcc_edac_reg_offset { |
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/* LLCC TRP registers */ |
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u32 trp_ecc_error_status0; |
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u32 trp_ecc_error_status1; |
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u32 trp_ecc_sb_err_syn0; |
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u32 trp_ecc_db_err_syn0; |
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u32 trp_ecc_error_cntr_clear; |
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u32 trp_interrupt_0_status; |
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u32 trp_interrupt_0_clear; |
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u32 trp_interrupt_0_enable; |
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/* LLCC Common registers */ |
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u32 cmn_status0; |
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u32 cmn_interrupt_0_enable; |
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u32 cmn_interrupt_2_enable; |
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/* LLCC DRP registers */ |
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u32 drp_ecc_error_cfg; |
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u32 drp_ecc_error_cntr_clear; |
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u32 drp_interrupt_status; |
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u32 drp_interrupt_clear; |
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u32 drp_interrupt_enable; |
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u32 drp_ecc_error_status0; |
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u32 drp_ecc_error_status1; |
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u32 drp_ecc_sb_err_syn0; |
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u32 drp_ecc_db_err_syn0; |
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}; |
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/** |
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* struct llcc_drv_data - Data associated with the llcc driver |
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* @regmap: regmap associated with the llcc device |
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* @bcast_regmap: regmap associated with llcc broadcast offset |
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* @cfg: pointer to the data structure for slice configuration |
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* @edac_reg_offset: Offset of the LLCC EDAC registers |
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* @lock: mutex associated with each slice |
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* @cfg_size: size of the config data table |
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* @max_slices: max slices as read from device tree |
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* @num_banks: Number of llcc banks |
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* @bitmap: Bit map to track the active slice ids |
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* @offsets: Pointer to the bank offsets array |
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* @ecc_irq: interrupt for llcc cache error detection and reporting |
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* @version: Indicates the LLCC version |
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*/ |
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struct llcc_drv_data { |
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struct regmap *regmap; |
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struct regmap *bcast_regmap; |
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const struct llcc_slice_config *cfg; |
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const struct llcc_edac_reg_offset *edac_reg_offset; |
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struct mutex lock; |
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u32 cfg_size; |
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u32 max_slices; |
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u32 num_banks; |
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unsigned long *bitmap; |
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u32 *offsets; |
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int ecc_irq; |
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u32 version; |
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}; |
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#if IS_ENABLED(CONFIG_QCOM_LLCC) |
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/** |
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* llcc_slice_getd - get llcc slice descriptor |
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* @uid: usecase_id of the client |
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*/ |
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struct llcc_slice_desc *llcc_slice_getd(u32 uid); |
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/** |
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* llcc_slice_putd - llcc slice descritpor |
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* @desc: Pointer to llcc slice descriptor |
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*/ |
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void llcc_slice_putd(struct llcc_slice_desc *desc); |
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/** |
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* llcc_get_slice_id - get slice id |
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* @desc: Pointer to llcc slice descriptor |
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*/ |
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int llcc_get_slice_id(struct llcc_slice_desc *desc); |
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/** |
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* llcc_get_slice_size - llcc slice size |
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* @desc: Pointer to llcc slice descriptor |
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*/ |
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size_t llcc_get_slice_size(struct llcc_slice_desc *desc); |
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/** |
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* llcc_slice_activate - Activate the llcc slice |
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* @desc: Pointer to llcc slice descriptor |
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*/ |
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int llcc_slice_activate(struct llcc_slice_desc *desc); |
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/** |
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* llcc_slice_deactivate - Deactivate the llcc slice |
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* @desc: Pointer to llcc slice descriptor |
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*/ |
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int llcc_slice_deactivate(struct llcc_slice_desc *desc); |
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#else |
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static inline struct llcc_slice_desc *llcc_slice_getd(u32 uid) |
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{ |
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return NULL; |
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} |
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static inline void llcc_slice_putd(struct llcc_slice_desc *desc) |
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{ |
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}; |
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static inline int llcc_get_slice_id(struct llcc_slice_desc *desc) |
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{ |
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return -EINVAL; |
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} |
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static inline size_t llcc_get_slice_size(struct llcc_slice_desc *desc) |
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{ |
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return 0; |
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} |
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static inline int llcc_slice_activate(struct llcc_slice_desc *desc) |
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{ |
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return -EINVAL; |
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} |
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static inline int llcc_slice_deactivate(struct llcc_slice_desc *desc) |
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{ |
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return -EINVAL; |
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} |
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#endif |
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#endif
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